Body Materials: SS 316, SS 316L. Pressure Rating: 6000psig (413 bar) @ 38°C (100°F). Temperature Rating: -53°C (-65°F) to 232°C (450°F) with standard PTFE packing, up to 648°C (1200°F) with Grafoil packing. Inlet Connection with 1/2″ NPTM or 3/4″ NPTM and Outlet Connection with 1/2″ NPTF. Threads with smooth surface finish avoid galling and help to extend the fitting service life.